Added deprecation message for getDeals, Added example using express js (#127)

* v2.7.7

* 2.8.7

* added deprecation message and update readme

* fix lint

Author: pajaydev

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,26 @@
+<!--
+👋 Hi there! Thanks for taking the time to open an issue.
+-->
+
+### Issue or Enhancement
+
+<!--
+❓ Kindly mention, is this an issue or an enhancement ?.
+-->
+
+* [ ] Issue
+* [ ] Enhancement / Improvement
+
+### Steps to reproduce
+
+<!--
+It's sometimes difficult to understand what's happening in demos.
+-->
+
+### Expected Behavior
+
+<!-- What should have happened when following the steps above? -->
+
+### Actual Behavior
+
+<!-- Here's what actually happened 😲 -->